Reference for Niddah 42:10

קתני אדומה ושחורה ירוקה ולבנה ופליג ר' יהודה

the point at issue between them is the question whether it is possible for the uterus to open without bleeding.<span class="x" onmousemove="('comment',' Cf. notes on prev. version. ');">⁵</span>

Jastrow

Jastrow